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Negretti & Zambra
Stereo-graphoscope, late 19th century
Walnut body with maker's label Negretti & Zambra Optitions & Instrument makers to the Queen, 59 Cornhill London, (lacks lenses), 9½ in. long.
Stereo-graphoscope, late 19th century
Walnut body with maker's label Negretti & Zambra Optitions & Instrument makers to the Queen, 59 Cornhill London, (lacks lenses), 9½ in. long.